Under the guidance of "White Immortal" Bai Xiaoqi, Lin Mo gradually uncovered the truth about the century-old contract and the secrets that the seven aristocratic families were trying to hide. Supernatural events on the Internet are getting more and more intense. A strange live broadcast challenge called "Mirror World" suddenly became popular. Participants need to face the mirror at midnight to perform specific rituals. It is said that they can talk to their "other self". Lin Mo is aware of the huge danger involved, but several challengers have mysteriously disappeared or gone insane. In order to prevent the situation from deteriorating and explore the root cause of the loosening of the contract, Lin Mo decided to personally challenge the "Mirror Realm" and break into the unknown mirror world...